Q. Consider the template matching problem i.e. finding a template image in a given input image. The main challenge is to find a good similarity or distance measure between two image patches. Describe the downside of each of the following measures if any. - Correlation - Zero-mean correlation - Sum of Squared Distances - Normalized Cross Correlation Multiple Choice Q. In Canny edge detection, we get more discontinuous edges if we make which one of the following changes to the hysteresis thresholding? (a) increase the high threshold (b) decrease the high threshold (c) increase the low threshold (d) decrease the low threshold (e) decrease both thresholds